The patch titled
Subject: vfs: make is_local_mountpoint() usable by others
has been added to the -mm tree. Its filename is
fs-make-is_local_mountpoint-usable-by-others.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-make-is_local_mountpoint-usable-by-others.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-make-is_local_mountpoint-usable-by-others.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Ian Kent <raven@xxxxxxxxxx>
Subject: vfs: make is_local_mountpoint() usable by others
is_local_mountpoint() will be needed for autofs to check if a dentry is a
mountpoint in the current namespace.
Link: http://lkml.kernel.org/r/20160914061434.24714.490.stgit@xxxxxxxxxxxxxxxx
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/mount.h | 9 ---------
fs/namespace.c | 1 +
include/linux/mount.h | 9 +++++++++
3 files changed, 10 insertions(+), 9 deletions(-)
diff -puN fs/mount.h~fs-make-is_local_mountpoint-usable-by-others fs/mount.h
--- a/fs/mount.h~fs-make-is_local_mountpoint-usable-by-others
+++ a/fs/mount.h
@@ -127,12 +127,3 @@ struct proc_mounts {
};
extern const struct seq_operations mounts_op;
-
-extern bool __is_local_mountpoint(struct dentry *dentry);
-static inline bool is_local_mountpoint(struct dentry *dentry)
-{
- if (!d_mountpoint(dentry))
- return false;
-
- return __is_local_mountpoint(dentry);
-}
diff -puN fs/namespace.c~fs-make-is_local_mountpoint-usable-by-others fs/namespace.c
--- a/fs/namespace.c~fs-make-is_local_mountpoint-usable-by-others
+++ a/fs/namespace.c
@@ -725,6 +725,7 @@ bool __is_local_mountpoint(struct dentry
out:
return is_covered;
}
+EXPORT_SYMBOL(__is_local_mountpoint);
static struct mountpoint *lookup_mountpoint(struct dentry *dentry)
{
diff -puN include/linux/mount.h~fs-make-is_local_mountpoint-usable-by-others include/linux/mount.h
--- a/include/linux/mount.h~fs-make-is_local_mountpoint-usable-by-others
+++ a/include/linux/mount.h
@@ -15,6 +15,7 @@
#include <linux/spinlock.h>
#include <linux/seqlock.h>
#include <linux/atomic.h>
+#include <linux/dcache.h>
struct super_block;
struct vfsmount;
@@ -96,4 +97,12 @@ extern void mark_mounts_for_expiry(struc
extern dev_t name_to_dev_t(const char *name);
+extern bool __is_local_mountpoint(struct dentry *dentry);
+static inline bool is_local_mountpoint(struct dentry *dentry)
+{
+ if (!d_mountpoint(dentry))
+ return false;
+
+ return __is_local_mountpoint(dentry);
+}
#endif /* _LINUX_MOUNT_H */
_
Patches currently in -mm which might be from raven@xxxxxxxxxx are
autofs-use-dentry-flags-to-block-walks-during-expire.patch
autofs-fix-autofs4_fill_super-error-exit-handling.patch
autofs-remove-ino-free-in-autofs4_dir_symlink.patch
autofs-fix-dev-ioctl-number-range-check.patch
autofs-add-autofs_dev_ioctl_version-for-autofs_dev_ioctl_version_cmd.patch
autofs4-move-linux-auto_dev-ioctlh-to-uapi-linux.patch
fs-make-is_local_mountpoint-usable-by-others.patch
fs-add-have_local_submounts.patch
autofs-make-mountpoint-checks-namespace-aware.patch
fs-remove-unused-have_submounts-function.patch
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